Sunday, September 18, 2016

(NYP) A 911 caller warned of further explosions right after the blast that rocked Manhattan’s Chelsea neighborhood and injured 29 people, The Post has learned.

“I’m looking at the explosion down the block. There will be more,” the unidentified male said, claiming to be standing at 23rd Street and Seventh Avenue in the aftermath of the terrifying incident, according to law-enforcement sources Sunday.

Investigators believe the blast was the result of a home-made, pressure-cooker bomb similar to an unexploded device found later on 27th Street, sources said.

In another new wrinkle, a hand-written letter, a portion of which is in Arabic, was found inside a plastic bag that held the second device, sources said.

Cops were interviewing two men who claim to have spotted a potential person of interest in the case, sources said.

The witnesses were dining at the Krush bar and grill on 32nd Street about a half-hour before the 8:30 p.m. Saturday explosion when they saw an Arab-looking man who was carrying a suitcase and appeared out of place, sources said.